private async Task <ImageResponse> SearchUpdateImages(string text, CancellationToken cancellationToken)
{
var imageResponce = await GetImagesAsync(text, cancellationToken);
// _images.Clear();
_nextUrl = imageResponce.Return(x => x.NextUrl, null);
if (_nextUrl == null && _lastInstagramImageId == imageResponce.MinTagId)
{
SearchCommand.RaiseCanExecuteChanged();
await Task.FromResult(imageResponce);
}
_lastInstagramImageId = imageResponce.MinTagId;
foreach (var image in imageResponce.Return(x => x.Images, Enumerable.Empty <WebBrowsing.Image>()))
{
InstagramImageViewModel viewModel = new InstagramImageViewModel(image.Data,
image.Width, image.Height, image.Url, image.FullName, image.ProfilePictureData, image.UrlAvatar, image.UserName);
_images.Add(viewModel);
}
SearchCommand.RaiseCanExecuteChanged();
cancellationToken.ThrowIfCancellationRequested();
return(await Task.FromResult(imageResponce));
}
private void Check(InstagramImageViewModel image)
{
_checkedImage = image;
foreach (var imageViewModel in Images.Where(x => x != _checkedImage))
{
imageViewModel.IsChecked = false;
}
PrintCommand.RaiseCanExecuteChanged();
}
protected virtual void OnMessageDelivered(InstagramMessageDto message)
{
InstagramImageViewModel image = _mappingEngine.Map <InstagramImageViewModel>(message);
EventHandler <MessageEventArgs <InstagramImageViewModel> > handler = MessageDelivered;
if (handler != null)
{
handler(this, new MessageEventArgs <InstagramImageViewModel>(this, image));
}
}
